Summary of Research on Optimal Operation of Integrated Energy System

With the depletion of fossil energy and the popularity of renewable energy, a comprehensive energy system with the goal of improving system energy efficiency and consuming renewable energy is booming. Based on the combined heat, power, and heat generation, this paper builds a comprehensive energy system operation optimization model in conjunction with ground source heat pumps. It aims to find the optimal operation strategy based on the actual situation of the park’s load, equipment capacity, and energy prices. Using the linear programming method, a mathematical model with the best economic efficiency of the integrated energy system is established, the optimal operation strategy for a typical day is analyzed, and the annual operation is simulated. Finally, it compares with conventional energy supply methods and analyzes the contribution to the consumption of renewable energy.

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Optimal operation of biomass integrated energy system in villages and towns

Journal of Physics Conference Series ◽

10.1088/1742-6596/1639/1/012061 ◽

2020 ◽

Vol 1639 ◽

pp. 012061

Author(s):

Shouqiang Li ◽

Wenxia Liu ◽

Jing Wang ◽

Zongqi Liu

Keyword(s):

Energy System ◽

Optimal Operation ◽

Integrated Energy System

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Multi-Time Scale Economic Optimization Dispatch of the Park Integrated Energy System

Frontiers in Energy Research ◽

10.3389/fenrg.2021.743619 ◽

2021 ◽

Vol 9 ◽

Author(s):

Peng Li ◽

Fan Zhang ◽

Xiyuan Ma ◽

Senjing Yao ◽

Zhuolin Zhong ◽

...

Keyword(s):

Renewable Energy ◽

Time Scales ◽

Time Scale ◽

Energy Systems ◽

Energy System ◽

Optimal Operation ◽

Utilization Efficiency ◽

Integrated Energy System ◽

Operation Cost ◽

Different Time Scales

The park integrated energy system (PIES) plays an important role in realizing sustainable energy development and carbon neutral. Furthermore, its optimization dispatch can improve the energy utilization efficiency and reduce energy systems operation cost. However, the randomness and volatility of renewable energy and the instability of load all bring challenges to its optimal operation. An optimal dispatch framework of PIES is proposed, which constructs the operation models under three different time scales, including day-ahead, intra-day and real-time. Demand response is also divided into three levels considering its response characteristics and cost composition under different time scales. The example analysis shows that the multi-time scale optimization dispatch model can not only meet the supply and demand balance of PIES, diminish the fluctuation of renewable energy and flatten load curves, but also reduce the operation cost and improve the reliability of energy systems.

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Holistic Simulation Approach for Optimal Operation of Smart Integrated Energy Systems under Consideration of Resilience, Economics and Sustainability

Infrastructures ◽

10.3390/infrastructures6110150 ◽

2021 ◽

Vol 6 (11) ◽

pp. 150

Author(s):

Kai Hoth ◽

Tom Steffen ◽

Béla Wiegel ◽

Amine Youssfi ◽

Davood Babazadeh ◽

...

Keyword(s):

Energy Management ◽

Dynamic Models ◽

Energy Systems ◽

Energy System ◽

Optimal Operation ◽

Distributed Resources ◽

Holistic Model ◽

Future System ◽

Integrated Energy System ◽

Operational Concept

The intermittent energy supply from distributed resources and the coupling of different energy and application sectors play an important role for future energy systems. Novel operational concepts require the use of widespread and reliable Information and Communication Technology (ICT). This paper presents the approach of a research project that focuses on the development of an innovative operational concept for a Smart Integrated Energy System (SIES), which consists of a physical architecture, ICT and energy management strategies. The cellular approach provides the architecture of the physical system in combination with Transactive Control (TC) as the system’s energy management framework. Independent dynamic models for each component, the physical and digital system, operational management and market are suggested and combined in a newly introduced co-simulation platform to create a holistic model of the integrated energy system. To verify the effectiveness of the operational concept, energy system scenarios are derived and evaluation criteria are suggested which can be employed to evaluate the future system operations.

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